United Internet AG

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  Notification concerning transactions by persons discharging managerial
  responsibilities pursuant to section 15a of the WpHG, transmitted by euro
  adhoc with the aim of a Europe-wide distribution. The issuer is responsible
  for the content of this announcement.
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Details of the person subject to the disclosure requirement:
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Person, triggering the disclosure:
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Name:               NBL Vermögensverwaltung GmbH & Co. KG
                    (Legal person, company or institution) 

Reason for the disclosure requirement:
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Reason:             Legal person, company or institution closely associated
Relationship:       To a person performing managerial responsibilities 

Person performing managerial responsibilities, triggering the disclosure
requirement: 

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Position:           Member of a managing body

Details of the transaction:
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Transaction:
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Description of financial instrument:  Namensaktien
ISIN:                DE0005089031
Type of transaction: sales
Date:                01.10.2010
Currency:            Euro
Price:               11.85000
No of items:         250000
Total amount traded: 2,962,500.00000
Place:               over the counter
Explanation: 

Further inquiry note:
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Marcus Bauer
Head of Investor Relations
Elgendorfer Straße 57
56410 Montabaur
Tel: 02602/96-1631
Fax: 02602/96-1013
E-Mail: mbauer@united-internet.de
Internet: www.united-internet.de 

Issuer subject to the publication requirement:
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end of announcement                               euro adhoc
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Further inquiry note:

Branche: Telecommunications Services
ISIN:    DE0005089031
WKN:     508903
Index:   Midcap Market Index, TecDAX, CDAX, HDAX, Prime All Share,
         Technology All Share
Börsen:  Frankfurt / regulated dealing/prime standard
         Berlin / free trade
         Hamburg / free trade
         Stuttgart / free trade
         Düsseldorf / free trade
         Hannover / free trade
         München / free trade